Hidroponic tower



FIG. 1 is a top, left, front perspective view;

FIG. 2 is a right elevational view as shown in FIG. 1;

FIG. 3 is a front elevational view as shown in FIG. 1;

FIG. 4 is a back elevational view as shown in FIG. 1;

FIG. 5 is a left elevational view as shown in FIG. 1;

FIG. 6 is a top plan view as shown in FIG. 1; and,

FIG. 7 is a bottom plan view as shown in FIG. 1.

The broken lines in the figures are included for the purpose of illustrating portions of the hydroponic tower that form no part of the claimed design. 

CLAIM We claim the ornamental design for a hydroponic tower, as shown and described. 